Soil Flushing

Soil flushing is an in situ process whereby environmental engineers apply a water-based solution to the soil to en hance the solubility of the contaminant (U.S. EPA 1991b). The water-based solution is applied through injection wells or shallow infiltration galleries. The contaminants are mobilized by solubilization or through chemical reactions with the added fluid. The generated leachate must be intercepted by extraction wells or subsurface drains and pumped to the surface for aboveground treatment. The technology is effective for nonhalogenated volatile organics and for soils with high permeability.

The technology, however, is less effective for soils with low permeability or with particles that strongly adsorb contaminants such as clays. In addition, special precautions are necessary to prevent groundwater contamination.

Project Earth Conservation

Project Earth Conservation

Get All The Support And Guidance You Need To Be A Success At Helping Save The Earth. This Book Is One Of The Most Valuable Resources In The World When It Comes To How To Recycle to Create a Better Future for Our Children.

Get My Free Ebook

Post a comment